19146760

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{761}}^1$

素因数の和:826

約数の個数: 64

約数和(自身を含む): 46908720

約数和(自身を除く): 27761960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 37, 40, 68, 74, 85, 136, 148, 170, 185, 296, 340, 370, 629, 680, 740, 761, 1258, 1480, 1522, 2516, 3044, 3145, 3805, 5032, 6088, 6290, 7610, 12580, 12937, 15220, 25160, 25874, 28157, 30440, 51748, 56314, 64685, 103496, 112628, 129370, 140785, 225256, 258740, 281570, 478669, 517480, 563140, 957338, 1126280, 1914676, 2393345, 3829352, 4786690, 9573380, 19146760]

約数ペア:

[(1, 19146760), (2, 9573380), (4, 4786690), (5, 3829352), (8, 2393345), (10, 1914676), (17, 1126280), (20, 957338), (34, 563140), (37, 517480), (40, 478669), (68, 281570), (74, 258740), (85, 225256), (136, 140785), (148, 129370), (170, 112628), (185, 103496), (296, 64685), (340, 56314), (370, 51748), (629, 30440), (680, 28157), (740, 25874), (761, 25160), (1258, 15220), (1480, 12937), (1522, 12580), (2516, 7610), (3044, 6290), (3145, 6088), (3805, 5032)]